git.sesse.net Git - ffmpeg/blob - libavcodec/arm/h264dsp_init_arm.c

   1 /*
   2  * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
   3  *
   4  * This file is part of Libav.
   5  *
   6  * Libav is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * Libav is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with Libav; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include <stdint.h>
  22
  23 #include "libavutil/attributes.h"
  24 #include "libavutil/arm/cpu.h"
  25 #include "libavcodec/h264dsp.h"
  26
  27 void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
  28                                      int beta, int8_t *tc0);
  29 void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
  30                                      int beta, int8_t *tc0);
  31 void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
  32                                        int beta, int8_t *tc0);
  33 void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
  34                                        int beta, int8_t *tc0);
  35
  36 void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height,
  37                                    int log2_den, int weight, int offset);
  38 void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height,
  39                                   int log2_den, int weight, int offset);
  40 void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height,
  41                                   int log2_den, int weight, int offset);
  42
  43 void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride,
  44                                      int height, int log2_den, int weightd,
  45                                      int weights, int offset);
  46 void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride,
  47                                     int height, int log2_den, int weightd,
  48                                     int weights, int offset);
  49 void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride,
  50                                     int height, int log2_den, int weightd,
  51                                     int weights, int offset);
  52
  53 void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
  54 void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
  55 void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
  56                              int16_t *block, int stride,
  57                              const uint8_t nnzc[6*8]);
  58 void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
  59                                   int16_t *block, int stride,
  60                                   const uint8_t nnzc[6*8]);
  61 void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
  62                             int16_t *block, int stride,
  63                             const uint8_t nnzc[6*8]);
  64
  65 void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
  66 void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
  67 void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
  68                              int16_t *block, int stride,
  69                              const uint8_t nnzc[6*8]);
  70
  71 static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
  72                                       const int chroma_format_idc)
  73 {
  74     if (bit_depth == 8) {
  75     c->h264_v_loop_filter_luma   = ff_h264_v_loop_filter_luma_neon;
  76     c->h264_h_loop_filter_luma   = ff_h264_h_loop_filter_luma_neon;
  77     c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon;
  78     c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon;
  79
  80     c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon;
  81     c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon;
  82     c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon;
  83
  84     c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon;
  85     c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon;
  86     c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon;
  87
  88     c->h264_idct_add        = ff_h264_idct_add_neon;
  89     c->h264_idct_dc_add     = ff_h264_idct_dc_add_neon;
  90     c->h264_idct_add16      = ff_h264_idct_add16_neon;
  91     c->h264_idct_add16intra = ff_h264_idct_add16intra_neon;
  92     if (chroma_format_idc == 1)
  93         c->h264_idct_add8   = ff_h264_idct_add8_neon;
  94     c->h264_idct8_add       = ff_h264_idct8_add_neon;
  95     c->h264_idct8_dc_add    = ff_h264_idct8_dc_add_neon;
  96     c->h264_idct8_add4      = ff_h264_idct8_add4_neon;
  97     }
  98 }
  99
 100 av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
 101                                  const int chroma_format_idc)
 102 {
 103     int cpu_flags = av_get_cpu_flags();
 104
 105     if (have_neon(cpu_flags))
 106         h264dsp_init_neon(c, bit_depth, chroma_format_idc);
 107 }